{
  "method": "Affine least squares over all axis ticks; integer EPS m24 centres and error-bar caps; pre .25 scale coordinates",
  "calibrations": [
    {
      "id": "NaI2008",
      "archive": "dama2008.tar",
      "member": "fig2c.eps",
      "figure": "Bernabei et al. 2008, Figure 2, bottom panel, PDF page 8",
      "x_ticks": [
        455,
        741,
        1027,
        1314,
        1600,
        1886,
        2172,
        2458,
        2745
      ],
      "days": [
        500,
        1000,
        1500,
        2000,
        2500,
        3000,
        3500,
        4000,
        4500
      ],
      "y_ticks": [
        227,
        295,
        363,
        431,
        499,
        567,
        635,
        703,
        771,
        839,
        908
      ],
      "rates": [
        -0.1,
        -0.08,
        -0.06,
        -0.04,
        -0.02,
        0.0,
        0.02,
        0.04,
        0.06,
        0.08,
        0.1
      ],
      "cut": 3000,
      "x_affine": [
        1.746928055096938,
        -294.6966819206353
      ],
      "y_affine": [
        0.0002939207822180336,
        -0.1666798035887358
      ],
      "day_uncertainty": 1.6402465042895966,
      "rate_uncertainty": 0.00034722705634774654,
      "error_uncertainty": 0.0002939207822180336,
      "coordinate_rounding_cell": 0.5
    },
    {
      "id": "LIBRA2021",
      "archive": "dama2021.tar",
      "member": "fig/fig02.eps",
      "figure": "Bernabei et al. 2021, Figure 2, PDF page 6",
      "x_ticks": [
        948,
        1646,
        2344,
        3043,
        3741,
        4439
      ],
      "days": [
        4000,
        5000,
        6000,
        7000,
        8000,
        9000
      ],
      "y_ticks": [
        170,
        302,
        435,
        567,
        699,
        832,
        964
      ],
      "rates": [
        -0.06,
        -0.04,
        -0.02,
        0.0,
        0.02,
        0.04,
        0.06
      ],
      "cut": null,
      "x_affine": [
        1.432137100273682,
        2642.5387204128374
      ],
      "y_affine": [
        0.00015110618206133958,
        -0.08567720522877958
      ],
      "day_uncertainty": 1.2479850957890068,
      "rate_uncertainty": 0.00012953705893388966,
      "error_uncertainty": 0.00015110618206133958,
      "coordinate_rounding_cell": 0.5
    }
  ],
  "unknown_width_ids": [
    "NaI2008-020"
  ],
  "exclusions": "All 30 LIBRA points in the 2008 figure excluded to avoid duplicate inclusion with the 2021 figure. No 2021 Figure 2 measurement excluded."
}